<?php

namespace Duante\GuLu\calendar;

interface CalendarInterface
{
    public static function today();

    public static function yesterday();

    public static function week();

    public static function lastWeek();

    public static function getWeekByTimestamp($timestamp);

    public static function isSameWeek($t1, $t2);

    public static function month();

    public static function lastMonth();

    public static function year();

    public static function lastYear();

    public static function daysToSec();

    public static function weeksToSec();

    public static function daysToNow();

    public static function daysAgo();

    public static function daysAfter();

    public static function timezone();
}